Chances in menses: No issues. Its common to have irregular periods while on birth control( hormones). Just keep taking Yaz (drospirenone and ethinyl estradiol) daily to reduce chances of pregnancy.The last 4 white pills have no hormones in them. Remember always practice safe sex. Use condoms. Take care.
Answered 2/13/2015
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A doctor has provided 1 answer
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